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06-04-2024, 08:50 PM
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#1 |
 Drives: Camaro V6 Join Date: Feb 2013
Location: Florida
Posts: 14
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A/C System Leaking/Not Working, what is this port?
2011 v6 LLT, 135k...
I have noticed for a little while this little cap, which looks to run from the radiator to the back/bottom of the engine has been leaking green neon fluid. Recently taking it out for a drive the AC no longer works at all... blender door opens/closes no issues... fans comes on full blast and both radiator fans come on but the vents only blow warm air when set to AC. What is this, and why would it possibly be leaking? 
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06-04-2024, 11:02 PM
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#2 |
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"Cam Only"
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As many a/c problems that these cars have and that I've read about on here, apparently these service valves are a huge weak point that leak very often.
Make sure your system is empty then change the valve and recharge the system.
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2013 AGM Camaro 2SS/RS M6 | LSA Blower, 2.5" pulley, 10% lower, FIC1000's, Fore Innovations Twin Pump fuel system w/ Flex Fuel, CMS Custom Grind Cam, Kooks 1 7/8" headers w/ catless off-road pipes, NPP Exhaust, 3.91's, JLT ZL1 Intake, Prospeed Heat Exchanger | Pfadt Suspension, 1LE Sway Bars | DSS 1000hp axles | Mickey Thompson ET Street R 305/45/18 |
Tuned by Ryne @ CMS E85: 734rwhp/636rwtq (mustang dyno) |
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06-05-2024, 06:09 AM
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#3 |
 
Drives: 2013 Chevy Camaro 1LT Join Date: May 2022
Location: Lacey, Wa
Posts: 100
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I heard that gm made those service valves an item to replace every year.
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08-06-2024, 04:48 PM
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#4 |
 
Drives: 2011 2SS, 2006 GMC Sierra Join Date: Jul 2019
Location: MA
Posts: 289
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That's the high side service port. I see these ports leaking all the time all all makes. They are replaceable. The A/C system has to be evacuated first.
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08-08-2024, 08:48 AM
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#5 |
        
Drives: 2010 Turbo LS3 Join Date: Dec 2009
Location: Palm Bay, FL
Posts: 2,831
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Pretty sure the ball valve versions leak. You can replace them with a Schraeder valve version.
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2010 SS - Kind of an On3 kit, CTR 78/80, CompCam 239/251 620/632 122+4, E85, Z28 suspension and ZL1 diff with Outlaw axles. Gen6 ZL1/1LE brakes.
2011 Vert - 416/w 230/236 .612/.602 115lsa, 1LE suspension w/32mm rear bar. Z28 diff. ZL1 brakes. |
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